US20160120222A1 - System with electronic smoking device and capsule - Google Patents
System with electronic smoking device and capsule Download PDFInfo
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- US20160120222A1 US20160120222A1 US14/895,883 US201414895883A US2016120222A1 US 20160120222 A1 US20160120222 A1 US 20160120222A1 US 201414895883 A US201414895883 A US 201414895883A US 2016120222 A1 US2016120222 A1 US 2016120222A1
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- United States
- Prior art keywords
- capsule
- shell
- electronic smoking
- smoking device
- longitudinal axis
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/42—Cartridges or containers for inhalable precursors
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- A24F47/008—
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/10—Devices using liquid inhalable precursors
Definitions
- the invention relates to a system comprising an electronic smoking device, in particular an electronic cigarette, and a capsule (cartridge) containing a liquid for use with the electronic smoking device.
- An electronic smoking device e.g. designed as an electronic cigarette, generally comprises an elongate housing accommodating an electric power source (a battery, which often is rechargeable), an electrically heatable atomizer adapted to atomize a liquid supplied from a capsule mounted at the electronic cigarette, and control electronics, e.g. a switch (in the form of a button or a sensor which senses a user's puff) and related circuitry. Actuation of the switch (e.g. by pressing the button or upon detection of a user's puff at a mouthpiece) causes a heater in the atomizer to be powered for a certain time.
- the action of the atomizer is called “atomize” and the related product is called “aerosol”, irrespective of its composition, which might include gaseous and smoke constituents.
- EP 2 443 946 A1 discloses an electronic cigarette and a capsule containing a liquid to be atomized (or evaporated) in an atomizer.
- the capsule comprises a shell which is sealed at one end side by a puncturable membrane.
- a soft sleeve surrounding the capsule is placed on the end area of a pipe or tube accommodating the atomizer.
- the capsule has a generally circular cross-sectional shape, measured in a plane transversely to its longitudinal axis.
- the exterior surface of the capsule comprises some ribs and ducts.
- the object of the invention is to provide a system comprising an electronic smoking device and a capsule, which fit well together and wherein the capsule can have a pleasant and user-friendly generally smooth shape.
- the system according to the invention comprises an electronic smoking device (e.g. designed as an electronic cigarette) and a capsule.
- the electronic smoking device comprises a housing (which may consist of several parts or sections), an electric power source (preferably, a rechargeable battery), an electrically heatable atomizer adapted to atomize a liquid supplied from a capsule, an interface adapted to mount the capsule at the electronic smoking device, and control electronics (which may include, e.g., a puff sensor and circuitry for controlling the power supplied to a heater of the atomizer).
- the capsule comprises a shell having a longitudinal axis and containing a liquid, a first end side of the shell being sealed by a puncturable membrane.
- the capsule is adapted to be mounted at the electronic smoking device via the interface.
- the shell has a triangular-like cross-sectional shape (transversely to its longitudinal axis), in an area which extends over at least part of the shell in a direction along its longitudinal axis.
- the capsule Due to the triangular-like cross-sectional shape of the shell, the capsule can be mounted, even tightly mounted, in a generally sleeve- or pipe-like structure in a way that leaves a free space in some areas outside of the shell, through which aerosol provided by the atomizer can flow to a mouth end of the device.
- This permits a design of the capsule with generally smooth surfaces, which results in a pleasant appearance.
- the free space outside of the shell of the capsule is maximal, related to the area of the circular cross-sectional shape of the mounting pipe and compared to other equilateral polygonal cross-sectional shapes of the shell.
- the capsule cannot roll away unintentionally when placed on, e.g., a table.
- the capsule can be manufactured in a cost-effective manner.
- a peripheral area of the shell adjacent to its first end side may fit into a connection device provided at the interface.
- this connection is accomplished in a form-fit manner.
- the connection device can be designed so that one of the three triangular-like sides of the shell abuts to material of the connection device shaped accordingly. Such design generally leaves enough free space outside of the shell through which aerosol from the atomizer can flow to the mouth end of the device.
- connection device may comprise a pipe having an end face, wherein at least one protrusion at the shell rests at the end face of the pipe when the capsule is mounted at the electronic smoking device.
- the protrusion serves as a stop, defines the longitudinal position of the mounted capsule and prevents the capsule from being pushed too far towards the atomizer. If the connection is not in a form-fit manner, the shell may be introduced into the pipe in any azimuth-angular orientation.
- the shell since the shell does not have to have a triangular-like cross-sectional shape over its entire length, the shell generally may have a large variety of shapes.
- a design in which a peripheral area of the shell adjacent to its first end side has a triangular-like cross-sectional shape has already been mentioned above.
- a peripheral area of the shell remote from its first end side may have a triangular-like cross-sectional shape. Combinations thereof are conceivable as well.
- the cross-sectional shape of the shell may vary along its longitudinal axis.
- a. triangular-like cross-sectional shape of the shell can be defined, in an area which extends over at least part of the shell in a direction along its longitudinal axis, by a closed line having three sections connecting three rounded corner zones.
- the respective sections connecting the corner zones may be shaped as convex bows.
- triangular-like is not restricted to triangles having three point-like corners, but also encompasses other corner designs and non-straight connections between the corner zones.
- the shell comprises a step, along at least part of its circumference, formed by cross-sectional shapes of the shell which are different on both sides of the step (measured in a direction along the longitudinal axis of the shell).
- at least one of these different cross-sectional shapes is triangular-like. In this way, e.g. a total of three protrusions serving as stops (see above) can be formed, without deteriorating a pleasant appearance of the capsule.
- the capsule When the capsule is mounted at the electronic smoking device, the capsule may be surrounded by a sleeve, at least along part of the shell in a direction along its longitudinal axis.
- a sleeve can be formed by the housing and/or by a separate replaceable article.
- the sleeve or a part thereof can be included in the interface or connection device.
- An example for such design in which, however, the capsule is not triangular-like) is described in EP 2 443 946 A1. In this case, a section of the capsule adjacent to its first end is placed in a tube which is part of the housing.
- the tube is surrounded by a soft sleeve, which extends beyond the tube, also covers the rest of the lateral area of the capsule and looks like a conventional cigarette filter.
- This soft sleeve is made as a replaceable article.
- the capsule according to the invention has a triangular-like cross-sectional shape of the shell.
- the shell touches the sleeve in spots or in some areas, while space serving as an aerosol pathway is provided in other areas between the shell and the sleeve. This concept avoids a complicated design of the mouth-ended area of the capsule like that known from EP 2 443 946 A1.
- the capsule when the capsule is mounted at the electronic smoking device, the capsule is surrounded by an end cap, at least along part of the shell in a direction along its longitudinal axis, wherein the end cap is detachable from the housing and comprises a mouth piece.
- the end cap can be designed so that it does not touch the capsule when the capsule is mounted at the electronic smoking device.
- the end cap may touch the capsule, preferably at an end side of the capsule only (i.e. at the end side opposite to the first end side of the shell). In the latter design, the capsule is secured when it is mounted at the electronic smoking device.
- the inner face of the end cap may comprise one or more than one protrusion, which touches the capsule and ensures that the aperture is not blocked.
- the capsule can contain any liquid suitable to an electronic smoking device.
- the inner space of the capsule can be empty.
- the inner space of the capsule contains a sponge-like material (e.g., cotton) which accommodates the liquid.
- a transfer device e.g. a wick
- the capsule is designed as a disposable article, whereas the electronic smoking device can be used multiple times. It is conceivable, however, that the electronic smoking device or major parts thereof are also made as disposable articles.
- the atomizer is a component of the electronic smoking device.
- the atomizer or part of the atomizer may also be integrated in the capsule. If the heating wire is arranged in the capsule, corresponding electrical contacts can be led to the surface of the capsule.
- FIG. 1 a schematic longitudinal section through an embodiment of the system according to the invention, which displays part of an electronic smoking device and a capsule mounted therein, and
- FIG. 2 a schematic three-dimensional view of the capsule of FIG. 1 .
- FIG. 1 illustrates an embodiment of an electronic smoking device in a schematic longitudinal section.
- the electronic smoking device designated by reference numeral 1 , comprises a housing which, in the embodiment, includes two sections, the section called atomizer section 2 and the section called battery section 3 .
- An end cap 4 connected to the atomizer section encloses a capsule 6 containing a liquid.
- the capsule 6 which will be explained in more detail by means of FIG. 2 , is held by a cylindrical pipe 8 .
- the battery section 3 of the housing is not shown in detail. It accommodates a rechargeable battery as an electric power source and control electronics for controlling the electronic smoking device 1 , including a puff sensor detecting when a user sucks at the end cap 4 , which causes the control electronics to close an electrical circuit so that an electrical current is supplied to a heatable atomizer arranged in the atomizer section 2 of the housing.
- a female thread 10 and a pole 12 isolated therefrom are arranged in the end area of the battery section 3 shown in FIG. 1 .
- the female thread 10 is connected to ground of the battery
- the pole 12 is connected to the control electronics which serves as a switch for powering pole 12 on demand, i.e. when a puff is detected.
- the end of the atomizer section 2 of the housing comprises a male thread 14 for providing connection to ground and another pole 16 which is pressed against pole 12 when the male thread 14 is threaded into the female thread 10 , see FIG. 1 .
- the atomizer comprises a cylindrical support 20 made of ceramics, which holds a bracket 22 of stainless steel.
- the support 20 and the bracket 22 are surrounded by an arrangement of metal filaments, e.g. a nickel wire structure, which serves as a wick 24 .
- the interior space of the support 20 and the wick material can be heated by means of a heating wire 26 made of, e.g., a nickel chromium alloy.
- the capsule 6 comprises a shell 30 having a first end side 32 sealed by a puncturable membrane 34 and a closed second end side 36 .
- the shell 30 and the closed second end side 36 are made in one piece by injection-moulding from plastic material.
- the membrane 34 includes an aluminium film which is heat-sealed to the shell 30 .
- the thickness of the membrane 34 is optimized to the mechanical strength of the atomizer.
- the capsule 6 contains an aerosol-forming liquid, but it does not include a sponge-like material like cotton for soaking up the liquid.
- a piercing spike mounted at the end of the bracket 22 punctures the membrane 34 so that the wick 24 enters into the interior of the capsule 6 .
- the wick 24 is able to accommodate the liquid contained in the capsule 6 and to supply it to the atomizer, where it is distributed in the wick material about the support 20 . In this way, the liquid can be easily heated by means of the heating wire 26 in order to be atomized and to form an aerosol.
- FIG. 2 illustrates the capsule 6 in more detail in a three-dimensional schematic view.
- the shell 30 consists of three sections, i.e. an end section 40 , which also includes the second end side 36 of the shell 30 , a centre section 42 , and a cylindrical section 44 adjacent to the first end side 32 of the shell 30 .
- the shell 30 In its end section 40 , the shell 30 comprises a triangular-like cross-sectional shape (perpendicularly to its longitudinal axis A), which is defined by a closed line 50 .
- Line 50 consists of three rounded corner zones 52 and three convex bows 54 connecting the corner zones 52 .
- the area 55 is bevelled, the second end side 36 of the shell 30 is flat.
- the cross-sectional shape is also triangular-like, but corner zones 56 corresponding to the corner zones 52 are less roundish and somewhat more flattened.
- a step 58 is formed in each of the three corner zones 52 , where the end section 40 meets the centre section 42 .
- These steps 58 serve as protrusions, which abut at an end face 60 of the pipe 8 when the capsule 6 is inserted into the pipe 8 , see FIGS. 1 and 2 .
- the triangular symmetry of the capsule 6 is not correctly displayed.
- the steps 58 form a stop which prevents the capsule 6 from being inserted into the pipe 8 too far.
- a consumer removes the end cap 4 from the atomizer section 2 of the housing and inserts a fresh capsule 6 into the pipe 8 so that the spike mounted at the bracket 22 can penetrate the membrane 34 .
- the capsule 6 is secured by frictional forces between the bracket 22 (including the material of the wick 24 ) and the rest of the membrane 34 .
- the wick 24 distributes the liquid contents of the capsule 6 in the area of the atomizer so that it can be atomized when the control electronics actuates the heating wire 26 .
- there is a free space 62 provided in-between the centre section 42 of the shell 30 and the inner face of the pipe 8 . Because of the triangular symmetry of the capsule 6 , there is a total of three free spaces like free space 62 .
- Another free space 64 is provided within the end cap 4 , because the end cap 4 does not contact the capsule 6 , see FIG. 1 .
- the end cap 4 is designed as a mouthpiece 70 having a suction hole (not shown in FIG. 1 ).
- the puff detector mentioned above senses when the consumer sucks at this suction hole, which initiates the heating step described before.
- the end cap 4 comprises resilient protrusions 72 engaged in recesses 74 provided at the atomizer section 2 of the housing, which holds the end cap 4 in a detachable manner. When the capsule 6 is empty, the consumer can detach the end cap 4 and remove the capsule 6 from the pipe 8 .
Abstract
Description
- The invention relates to a system comprising an electronic smoking device, in particular an electronic cigarette, and a capsule (cartridge) containing a liquid for use with the electronic smoking device.
- An electronic smoking device, e.g. designed as an electronic cigarette, generally comprises an elongate housing accommodating an electric power source (a battery, which often is rechargeable), an electrically heatable atomizer adapted to atomize a liquid supplied from a capsule mounted at the electronic cigarette, and control electronics, e.g. a switch (in the form of a button or a sensor which senses a user's puff) and related circuitry. Actuation of the switch (e.g. by pressing the button or upon detection of a user's puff at a mouthpiece) causes a heater in the atomizer to be powered for a certain time. Here and in the following, the action of the atomizer is called “atomize” and the related product is called “aerosol”, irrespective of its composition, which might include gaseous and smoke constituents.
-
EP 2 443 946 A1 discloses an electronic cigarette and a capsule containing a liquid to be atomized (or evaporated) in an atomizer. The capsule comprises a shell which is sealed at one end side by a puncturable membrane. To mount the capsule, a soft sleeve surrounding the capsule is placed on the end area of a pipe or tube accommodating the atomizer. The capsule has a generally circular cross-sectional shape, measured in a plane transversely to its longitudinal axis. To allow the aerosol to be smoked by the consumer to pass the area generally blocked by the capsule, the exterior surface of the capsule comprises some ribs and ducts. - The object of the invention is to provide a system comprising an electronic smoking device and a capsule, which fit well together and wherein the capsule can have a pleasant and user-friendly generally smooth shape.
- This object is achieved by a system comprising an electronic smoking device and a capsule as defined in
claim 1.Claim 16 is directed to a related capsule. Advantageous versions of the invention follow from the dependent claims. - The system according to the invention comprises an electronic smoking device (e.g. designed as an electronic cigarette) and a capsule. The electronic smoking device comprises a housing (which may consist of several parts or sections), an electric power source (preferably, a rechargeable battery), an electrically heatable atomizer adapted to atomize a liquid supplied from a capsule, an interface adapted to mount the capsule at the electronic smoking device, and control electronics (which may include, e.g., a puff sensor and circuitry for controlling the power supplied to a heater of the atomizer). The capsule comprises a shell having a longitudinal axis and containing a liquid, a first end side of the shell being sealed by a puncturable membrane. The capsule is adapted to be mounted at the electronic smoking device via the interface. According to the invention, the shell has a triangular-like cross-sectional shape (transversely to its longitudinal axis), in an area which extends over at least part of the shell in a direction along its longitudinal axis.
- Due to the triangular-like cross-sectional shape of the shell, the capsule can be mounted, even tightly mounted, in a generally sleeve- or pipe-like structure in a way that leaves a free space in some areas outside of the shell, through which aerosol provided by the atomizer can flow to a mouth end of the device. This permits a design of the capsule with generally smooth surfaces, which results in a pleasant appearance. In case of an equilateral triangle tightly inserted into a mounting pipe serving as an interface and having a circular cross-sectional shape, the free space outside of the shell of the capsule is maximal, related to the area of the circular cross-sectional shape of the mounting pipe and compared to other equilateral polygonal cross-sectional shapes of the shell. However, non-straight sides of the shell are conceivable as well, see below. By an adequate shaping of the outer circumference of the shell, it is even possible to adjust an appropriate draw resistance of the system. Moreover, because of the triangular-like cross-sectional shape of the shell, the capsule cannot roll away unintentionally when placed on, e.g., a table. Generally, the capsule can be manufactured in a cost-effective manner.
- When the capsule is mounted at the electronic smoking device, a peripheral area of the shell adjacent to its first end side may fit into a connection device provided at the interface. In advantageous embodiments of the invention, this connection is accomplished in a form-fit manner. In this way, it can be ensured that the capsule is suitable to the electronic smoking device. For example, if a peripheral area of the shell adjacent to its first end side has a triangular-like cross-sectional shape, the connection device can be designed so that one of the three triangular-like sides of the shell abuts to material of the connection device shaped accordingly. Such design generally leaves enough free space outside of the shell through which aerosol from the atomizer can flow to the mouth end of the device.
- The connection device may comprise a pipe having an end face, wherein at least one protrusion at the shell rests at the end face of the pipe when the capsule is mounted at the electronic smoking device. The protrusion serves as a stop, defines the longitudinal position of the mounted capsule and prevents the capsule from being pushed too far towards the atomizer. If the connection is not in a form-fit manner, the shell may be introduced into the pipe in any azimuth-angular orientation.
- Since the shell does not have to have a triangular-like cross-sectional shape over its entire length, the shell generally may have a large variety of shapes. A design in which a peripheral area of the shell adjacent to its first end side has a triangular-like cross-sectional shape has already been mentioned above. Moreover, a peripheral area of the shell remote from its first end side may have a triangular-like cross-sectional shape. Combinations thereof are conceivable as well. Generally, the cross-sectional shape of the shell may vary along its longitudinal axis.
- For example, a. triangular-like cross-sectional shape of the shell can be defined, in an area which extends over at least part of the shell in a direction along its longitudinal axis, by a closed line having three sections connecting three rounded corner zones. The respective sections connecting the corner zones may be shaped as convex bows. The term “triangular-like” is not restricted to triangles having three point-like corners, but also encompasses other corner designs and non-straight connections between the corner zones.
- In advantageous embodiments, the shell comprises a step, along at least part of its circumference, formed by cross-sectional shapes of the shell which are different on both sides of the step (measured in a direction along the longitudinal axis of the shell). Preferably, at least one of these different cross-sectional shapes is triangular-like. In this way, e.g. a total of three protrusions serving as stops (see above) can be formed, without deteriorating a pleasant appearance of the capsule.
- When the capsule is mounted at the electronic smoking device, the capsule may be surrounded by a sleeve, at least along part of the shell in a direction along its longitudinal axis. For example, at least part of the sleeve can be formed by the housing and/or by a separate replaceable article. The sleeve or a part thereof can be included in the interface or connection device. An example for such design (in which, however, the capsule is not triangular-like) is described in
EP 2 443 946 A1. In this case, a section of the capsule adjacent to its first end is placed in a tube which is part of the housing. The tube is surrounded by a soft sleeve, which extends beyond the tube, also covers the rest of the lateral area of the capsule and looks like a conventional cigarette filter. This soft sleeve is made as a replaceable article. The capsule according to the invention has a triangular-like cross-sectional shape of the shell. When mounted at an electronic smoking device similar to the concept described inEP 2 443 946 A1 and involving such sleeve, the shell touches the sleeve in spots or in some areas, while space serving as an aerosol pathway is provided in other areas between the shell and the sleeve. This concept avoids a complicated design of the mouth-ended area of the capsule like that known fromEP 2 443 946 A1. - In different embodiments of the invention, when the capsule is mounted at the electronic smoking device, the capsule is surrounded by an end cap, at least along part of the shell in a direction along its longitudinal axis, wherein the end cap is detachable from the housing and comprises a mouth piece. The end cap can be designed so that it does not touch the capsule when the capsule is mounted at the electronic smoking device.
- This provides for enough free space to permit an unimpeded flow of aerosol to an aperture at the mouth piece. Alternatively, the end cap may touch the capsule, preferably at an end side of the capsule only (i.e. at the end side opposite to the first end side of the shell). In the latter design, the capsule is secured when it is mounted at the electronic smoking device. To permit a flow of aerosol to the aperture, the inner face of the end cap may comprise one or more than one protrusion, which touches the capsule and ensures that the aperture is not blocked.
- Generally, the capsule can contain any liquid suitable to an electronic smoking device. Apart from the liquid (or any gas or particles related to the liquid), the inner space of the capsule can be empty. However, it is also conceivable that the inner space of the capsule contains a sponge-like material (e.g., cotton) which accommodates the liquid. Such sponge-like material might be advantageous in order to prevent unintentional spilling of the liquid after the membrane of the capsule has been punctured and in guiding the contents of the capsule to a transfer device (e.g. a wick) which transfers the liquid to the atomizer.
- Generally, the capsule is designed as a disposable article, whereas the electronic smoking device can be used multiple times. It is conceivable, however, that the electronic smoking device or major parts thereof are also made as disposable articles.
- So far, it was assumed that the atomizer is a component of the electronic smoking device. However, the atomizer or part of the atomizer (in particular a heating wire) may also be integrated in the capsule. If the heating wire is arranged in the capsule, corresponding electrical contacts can be led to the surface of the capsule.
- In the following, the invention is described in more detail by means of an embodiment. The drawings show in
-
FIG. 1 a schematic longitudinal section through an embodiment of the system according to the invention, which displays part of an electronic smoking device and a capsule mounted therein, and -
FIG. 2 a schematic three-dimensional view of the capsule ofFIG. 1 . -
FIG. 1 illustrates an embodiment of an electronic smoking device in a schematic longitudinal section. The electronic smoking device, designated byreference numeral 1, comprises a housing which, in the embodiment, includes two sections, the section calledatomizer section 2 and the section calledbattery section 3. An end cap 4 connected to the atomizer section encloses acapsule 6 containing a liquid. Thecapsule 6, which will be explained in more detail by means ofFIG. 2 , is held by acylindrical pipe 8. - The
battery section 3 of the housing is not shown in detail. It accommodates a rechargeable battery as an electric power source and control electronics for controlling theelectronic smoking device 1, including a puff sensor detecting when a user sucks at the end cap 4, which causes the control electronics to close an electrical circuit so that an electrical current is supplied to a heatable atomizer arranged in theatomizer section 2 of the housing. For providing mechanical support and electrical contact, afemale thread 10 and apole 12 isolated therefrom are arranged in the end area of thebattery section 3 shown inFIG. 1 . Thefemale thread 10 is connected to ground of the battery, thepole 12 is connected to the control electronics which serves as a switch for poweringpole 12 on demand, i.e. when a puff is detected. - The end of the
atomizer section 2 of the housing comprises amale thread 14 for providing connection to ground and anotherpole 16 which is pressed againstpole 12 when themale thread 14 is threaded into thefemale thread 10, seeFIG. 1 . - In the embodiment, the atomizer comprises a
cylindrical support 20 made of ceramics, which holds abracket 22 of stainless steel. Thesupport 20 and thebracket 22 are surrounded by an arrangement of metal filaments, e.g. a nickel wire structure, which serves as awick 24. The interior space of thesupport 20 and the wick material can be heated by means of aheating wire 26 made of, e.g., a nickel chromium alloy. - The
capsule 6 comprises ashell 30 having afirst end side 32 sealed by apuncturable membrane 34 and a closedsecond end side 36. In the embodiment, theshell 30 and the closedsecond end side 36 are made in one piece by injection-moulding from plastic material. Themembrane 34 includes an aluminium film which is heat-sealed to theshell 30. The thickness of themembrane 34 is optimized to the mechanical strength of the atomizer. In the embodiment, thecapsule 6 contains an aerosol-forming liquid, but it does not include a sponge-like material like cotton for soaking up the liquid. - When the
shell 30 is inserted into thepipe 8, a piercing spike mounted at the end of the bracket 22 (not shown in the figures) punctures themembrane 34 so that thewick 24 enters into the interior of thecapsule 6. Thewick 24 is able to accommodate the liquid contained in thecapsule 6 and to supply it to the atomizer, where it is distributed in the wick material about thesupport 20. In this way, the liquid can be easily heated by means of theheating wire 26 in order to be atomized and to form an aerosol. -
FIG. 2 illustrates thecapsule 6 in more detail in a three-dimensional schematic view. - In the embodiment, the
shell 30 consists of three sections, i.e. anend section 40, which also includes thesecond end side 36 of theshell 30, acentre section 42, and acylindrical section 44 adjacent to thefirst end side 32 of theshell 30. - In its
end section 40, theshell 30 comprises a triangular-like cross-sectional shape (perpendicularly to its longitudinal axis A), which is defined by a closed line 50. Line 50 consists of three rounded corner zones 52 and three convex bows 54 connecting the corner zones 52. The area 55 is bevelled, thesecond end side 36 of theshell 30 is flat. - In the
centre section 42 of theshell 30, the cross-sectional shape is also triangular-like, but corner zones 56 corresponding to the corner zones 52 are less roundish and somewhat more flattened. In this way, a step 58 is formed in each of the three corner zones 52, where theend section 40 meets thecentre section 42. These steps 58 serve as protrusions, which abut at anend face 60 of thepipe 8 when thecapsule 6 is inserted into thepipe 8, seeFIGS. 1 and 2 . In the schematic representation ofFIG. 1 , the triangular symmetry of thecapsule 6 is not correctly displayed. The steps 58 form a stop which prevents thecapsule 6 from being inserted into thepipe 8 too far. - For using the
electronic smoking device 1, a consumer removes the end cap 4 from theatomizer section 2 of the housing and inserts afresh capsule 6 into thepipe 8 so that the spike mounted at thebracket 22 can penetrate themembrane 34. In this state, thecapsule 6 is secured by frictional forces between the bracket 22 (including the material of the wick 24) and the rest of themembrane 34. Thewick 24 distributes the liquid contents of thecapsule 6 in the area of the atomizer so that it can be atomized when the control electronics actuates theheating wire 26. As shown inFIG. 2 , there is a free space 62 provided in-between thecentre section 42 of theshell 30 and the inner face of thepipe 8. Because of the triangular symmetry of thecapsule 6, there is a total of three free spaces like free space 62. Anotherfree space 64 is provided within the end cap 4, because the end cap 4 does not contact thecapsule 6, seeFIG. 1 . - In its end area, the end cap 4 is designed as a
mouthpiece 70 having a suction hole (not shown inFIG. 1 ). The puff detector mentioned above senses when the consumer sucks at this suction hole, which initiates the heating step described before. The end cap 4 comprisesresilient protrusions 72 engaged inrecesses 74 provided at theatomizer section 2 of the housing, which holds the end cap 4 in a detachable manner. When thecapsule 6 is empty, the consumer can detach the end cap 4 and remove thecapsule 6 from thepipe 8.
Claims (21)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13170301 | 2013-06-03 | ||
EP13170301.9A EP2810570B1 (en) | 2013-06-03 | 2013-06-03 | System with electronic smoking device and capsule |
EP13170301.9 | 2013-06-03 | ||
PCT/EP2014/000956 WO2014194972A1 (en) | 2013-06-03 | 2014-04-09 | System with electronic smoking device and capsule |
Publications (2)
Publication Number | Publication Date |
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US20160120222A1 true US20160120222A1 (en) | 2016-05-05 |
US10426195B2 US10426195B2 (en) | 2019-10-01 |
Family
ID=48569956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/895,883 Active 2034-05-26 US10426195B2 (en) | 2013-06-03 | 2014-04-09 | System with electronic smoking device and capsule |
Country Status (7)
Country | Link |
---|---|
US (1) | US10426195B2 (en) |
EP (1) | EP2810570B1 (en) |
CN (1) | CN105338844B (en) |
HK (1) | HK1204876A1 (en) |
PL (1) | PL2810570T3 (en) |
TW (1) | TW201509315A (en) |
WO (1) | WO2014194972A1 (en) |
Cited By (37)
Publication number | Priority date | Publication date | Assignee | Title |
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USD802835S1 (en) * | 2015-02-20 | 2017-11-14 | Fontem Holdings 2 B.V. | Endcap for electronic cigarette |
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Also Published As
Publication number | Publication date |
---|---|
PL2810570T3 (en) | 2019-06-28 |
WO2014194972A1 (en) | 2014-12-11 |
EP2810570A1 (en) | 2014-12-10 |
EP2810570B1 (en) | 2018-10-10 |
TW201509315A (en) | 2015-03-16 |
CN105338844A (en) | 2016-02-17 |
US10426195B2 (en) | 2019-10-01 |
HK1204876A1 (en) | 2015-12-11 |
CN105338844B (en) | 2018-05-18 |
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